ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,038, issued on June 16, was assigned to Sanmai Technologies, PBC (Sunnyvale, Calif.).

"Cranial acoustic coupling apparatus and methods" was invented by Tomokazu Sato (Minneapolis), Christopher Daft (Tucson, Ariz.) and Timothy Mullen (Hidden Meadows, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Cranial acoustic coupling apparatuses and methods to improve coupling to the head for use in transcranial focused ultrasound systems (tFUS) are disclosed. The apparatuses are constructed using multiple components and layers to reduce the air gaps due to head curvature and smaller-scale features such as dimples, hair, and so on. An apparatus or system ...